29C3 - Version 1.9


Sylvain Munaut
Tag Day 3 - 2012-12-29
Raum Saal 1
Beginn 21:45
Dauer 01:00
ID 5226
Veranstaltungstyp Vortrag
Sprache der Veranstaltung englisch

Further hacks on the Calypso platform

or how to turn a phone into a BTS

The calypso baseband and its companion chips are used on the Motorola C123 among other and are now well known for being supported by the Osmocom-BB open source GSM baseband implementation. A couple years ago, it was hacked a little further by using it as a raw bits capture device allowing the interception of GSM traffic very cheaply.

This talk will present some further work on that platform, showing that just because a device wasn't design for a given task doesn't mean it can't do it. More specifically how you can hack this phone to act as a GSM basestation and broadcast your own network.

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